User blog comment:Anobi/Alternate Timeline Theory/@comment-5621513-20140721183325/@comment-7738747-20140723102953

Probably a woman with some likeness to Eva or, at least, in Vergil's mind. Vergil would not be the first to do it. History repeats itself.

Nero is described as " a son of " Vergil in official books too, like "Devil May Cry 3,1,4,2 arts"

Only issue is the book was never translated into English. So basically this is now a non issue.